The Mishimoto BMW N55 Baffled Oil Catch Can is designed and engineered to reduce carbon build-up

rather than the rear

The G540 is a complete system with everything you need for correct installation

See picture for an overlay of the smaller diameter rubber mount and the OEM BMW mount

1996-2003     540i

BMW B46 Valve Springs by SuperTech scr5150 The Mishimoto BMW N55 BaffledSupertech Valve Springs for the BMW B46 engine are engineered for high performance builds that demand reliable valvetrain control at high RPMs. Whether you're chasing power on the street or building for track duty, these springs are designed to reduce valve float, improve stability, and maintain precise valve operation under extreme conditions. Developed with advanced materials and exacting tolerances, Supertech valve springs offer significantly